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Technical News

  • The AVENO's May Day holiday notice

    The AVENO's May Day holiday notice

    02 May, 2023

    Dear AVENO Customers, Hello! We would like to inform you about our upcoming May Day holiday. In honor of this statutory holiday, our offices will be closed from April 30, 2023 to May 3, 2023 to in observance of this national holiday. We will resume normal operations on May 4, 2023. During this period, we will be on duty, and we apologize if we cannot reply to you in time for any inconvenience this may cause. We kindly ask you to plan your orders and inquiries in advance accordingly to ensure there is no disruption to your business operations. Thank you for your understanding, and we wish you and your family a pleasant May Day holiday. Best regards, AVENO TECHNOLOGY CO., LIMITED Anything inquiry please contact us as below: AVENO technology co., ltd. Email: sales@avenotester.com AVENO Instruments, located in Quanzhou city of China, founded in Hongkong when 1998, main products including: Textile Testing Equipment, Footwear Testing Equipment, Children Products Testing Equiment.

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  • What is the color fastness to perspiration

    What is the color fastness to perspiration

    30 Oct, 2022

    The autumn wind is coming, and summer is slipping away. Summer is a season easy to sweat. After a good sweat, it can make us feel happy, but at the same time, many people are worried. After sweating, clothes are easy to fade. In fact, this is likely to be caused by the unqualified color fastness of your clothes to perspiration. Colour fastness to perspiration There are millions of effective sweat glands on human skin, and the forehead, armpits, chest, back and palms sweat more; therefore, clothes often worn in summer, such as shirts, T-shirts and other clothes, will fade seriously in these parts. As we all know, the composition of human sweat is complex, the main component of which is salt, which varies from person to person. Sweat is acidic and alkaline. The short-term contact of textiles with sweat may have little effect on its color fastness, but long-term contact with the skin and sweat will have a greater impact on some dyes. Clothing with unqualified dye fastness is easy to transfer dyes from textiles to human skin through sweat, etc. The molecules of dyes and heavy metal ions may be absorbed by the human body through the skin and endanger health. The color fastness to perspiration reflects the discoloration of the textile itself and the staining of the lining fabric under the combined action of pressure and temperature in different test solutions containing histidine. How to improve the color fastness to perspiration Improve the color fastness of the fabric to perspiration: 1. The most important way is to choose dyes reasonably, especially dyes with high fixation rate and good stability should be used. 2. Reasonably formulate and control the dyeing process, strengthen the fixing conditions, and form a covalent bond with high stability, so that the dye can be fully fixed. For example, when dyeing dyes with poor reactivity, a catalyst can be used, or an appropriate fixing agent can be used, or the color can be fixed at a relatively high temperature. AVENO Machine Recommend: Fabric Perspiration Tester AC08 Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

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  • How to test the mutual color fastness of textile splicing

    How to test the mutual color fastness of textile splicing

    17 Aug, 2022

    Clothes stained during washing or soaking? I believe that everyone is familiar with this situation, and many people should have encountered such embarrassing things. This is due to the mixed washing of dark and light-colored clothes, the fading of dark-colored clothes and dyeing on light-colored clothes, resulting in staining of light-colored clothes, or the mutual staining of dark and light colors on a piece of clothing after washing. In response to this phenomenon, there is a professional name in textiles: splicing and mutual dyeing. Test methods for testing the interdyeing of textiles by splicing, namely the washing method and the soaking method. The washing method The sample is placed in the specified washing solution, mechanically stirred according to the specified bath ratio, time and temperature, then washed and dried, and the staining of the light-colored sample is evaluated with a staining gray card or an instrument. The soaking method The sample is placed in the specified washing solution, and after treatment, it is placed between two flat plates with a specified pressure in the test device. After cleaning and drying, the staining of the light-colored sample is evaluated with Gray scale for color staining or an instrument. Sample preparation: 1. The sample is a ready-made garment. Cut a piece of dark and light-colored fabrics, 4×10cm, and sew them along the short side to form a combined sample. 2. Weigh the sample to the nearest 0.01g. 3. Add detergent according to the sample weight. The sampling and soap solution configuration of the two methods are the same, the only difference is the test equipment and operating procedures. Test Instruments The washing method: Wash Colour Fastness Tester The soaking method: Precision Drying Oven Operating procedure The washing method 1. Put the sample and test solution into the container 2. Put the container into the machine, set the temperature to 40 degrees, and test it for 30 minutes. 3. Take out the sample and rinse it with running water until it is clean. The soaking method 1. Put the sample and test solution into the container, press and move from time to time to completely soak the sample, take out the sample and place it on the Perspiration Tester, and apply a pressure of 5000g. 2. Put the loaded sample into the Precision Drying Oven, the temperature is 37 degrees, for 4 hours, take out the combined sample, and rinse it with running water until it is clean. The test temperature of the washing method is 3°C higher than that of the soaking method. In terms of test time, the washing method requires 30 minutes and the soaking method is 4H. After the test is completed, after rinsing the test, it is necessary to absorb excess water with filter paper and hang it to dry. The samples tested by the two methods are evaluated by Gray scale for color staining. From the test results, the stain level of the soaking method is much more serious than that of the washing method. Color Fastness Test Machines abo...

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  • Knowledge Sharing: Measures to Reduce Pilling

    Knowledge Sharing: Measures to Reduce Pilling

    31 Jul, 2022

    In the process of wearing and using fabrics, different degrees of pilling will occur. So how can we reduce the pilling of our fabrics? Spinning process During the spinning process, the fibers in the twisting triangle area undergo repeated internal and external transfer due to uneven force, causing the head end, tail end or middle part of most fibers to protrude from the yarn body, forming hairiness. In order to reduce the hairiness, the textile mill rationally mixes cotton, optimizes the process, adopts advanced textile technology according to its own conditions, and tries to control the occurrence of hairiness within the scope of its ability. Weaving process The organizational structure of knitted fabrics has a great influence on pilling, and the tight organization is less prone to pilling than the loose organization. Dyeing and finishing process Singeing: Singeing is a great way to reduce hairiness and reduce pilling. Adjustment of technical parameters: After the dyeing and finishing technology is determined, parameters such as bath ratio time can be adjusted appropriately, for example, the bath ratio can be appropriately increased or the technical curve can be improved to shorten the time. Use of auxiliaries: Anti-pilling agents can be added during the bleaching process. The softener is added during the dyeing process to reduce the mixed friction between the yarns and between the fabric and the dyeing machine, and at the same time, it can control the leakage of the fibers from the end of the yarn, thereby reducing the chance of pilling. Hairiness appressing method: The hairiness appressing method is to use mechanical and physical and chemical methods to make the hairiness tightly adhere to the surface of the fabric, so as to reduce feathers and reduce pilling. Specifically, the use of resin auxiliaries or chemical adhesives, through rolling, makes the hairiness lodged and fixed on the surface of the yarn. Through the above methods, the pilling can be improved to a certain extent. Reducing pilling is a systematic project, and it is recommended to take comprehensive measures in the production process of fiber production, spinning, weaving, dyeing and finishing. AVENO related Abrasion and pilling tester: Please click: Abrasion and pilling tester Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

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  • Daily maintenance of laboratory equipment

    Daily maintenance of laboratory equipment

    13 May, 2022

    In order to the accuracy of experimental data and the normal operation of experimental instruments, the daily maintenance of laboratory instruments is of great significance. The laboratory should formulate a reasonable maintenance plan according to the use conditions of different instruments. A reasonable maintenance plan can improve the accuracy and functionality of laboratory testing equipment, reduce the failure rate, improve the use rate and prolong the service life of equipment. Laboratory equipment managers should be familiar with the working principle of each instrument and understand the functionality and working mode of each component of each instrument and equipment, so as to formulate maintenance contents for the functional components of the instrument. Generally, the common maintenance contents are as follows: 1. Check the appearance and operation of functional components 2. Cleaning 3. Add lubricating oil, antirust oil, etc 4. Replace consumables / accessories General principles for selecting maintenance intervals and times Equipment maintenance is aimed at all the instruments in the laboratory: 1. Determine the frequency of the cycle according to the working principle of the instrument and the frequency of use; 2. Appropriately relax or shorten the maintenance cycle according to the harsh environment of the equipment; 3. Cooperate with the equipment period inspection. Generally speaking, equipment maintenance should be arranged before each equipment period inspection to ensure that the equipment is in the best condition during the period inspection. The routine maintenance of general equipment can be controlled at about twice a year. Under special circumstances or special equipment, flexible maintenance shall be carried out according to the specific actual situation: 1. The equipment with periodic replacement of consumables shall flexibly grasp the cycle according to the specific replacement cycle; 2. For the equipment working in the unavoidable harsh environment, the maintenance times shall be appropriately increased according to the actual situation without affecting the test; 3. It is recommended to arrange a maintenance before the equipment is checked during the period; 4. For equipment with high frequency of use, the number of maintenance shall be appropriately increased. Routine maintenance of common laboratory testing instruments 1. ICI Pilling and Snagging Tester Regularly wipe the surface of the cork liner with a trace amount of methanol, clean the roller box before and after the test, check whether the cork liner falls off and whether there are sharp objects on the surface, and regularly clean the exposed parts of the rotating shaft and bearings to prevent fiber residues and yarn residues. On the bearing, the rotation of the roller box is stuck and the rotation speed is abnormal. After confirming that there is no residue on the rotating shaft and the bearing, add lubricating oil. More about AVENO AG05 ICI Pilling and Snagg...

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  • Yarn twist knowledge

    Yarn twist knowledge

    17 Jan, 2022

    Yarn: it is the general term of yarn and thread. And has a strong continuous strip, including single yarns and strands. Single yarn: Processed by the short fibers, making the short fibers or wires along the axial direction and twisted. Ply yarn: it is made of two or more single yarns combined and twisted. Its strength and wear resistance are better than that of single yarn. At the same time, ply yarn can also be combined and twisted in a certain way to obtain compound twisted ply yarn. What is twisting? If one end of the strip is held, the other end is rotated, and the yarn can be formed, which is called twisted. For short fibers, the twisted is the necessary means of making the fiber strip as a yarn. It is generally necessary to condense the fibers into a fibrous strip before twisting, and the outer fibers of the fibers are extruded into the inner layer. Thereby, the strip is obtained in the longitudinal direction of the fibers. For long silk yarns and strands, twisted can form a tight structure that is not easily damaged by lateral force, and twisting can also form a variant wire and a fancy line. How many of the twisted and twisted direction not only affect the hand feel and appearance of the fabric, but also affect the intrinsic quality of the fabric. After the strip is twisted, the outer fibers produce a tilted helical roll back, the fiber torsional deformation, the gauze is tightly bored, and the structural form and mechanical physical properties of the fiber collective are changed. (As shown below) When there is an encirclement angle, the fiber has centripetal pressure on the yarn. The greater the encirclement angle, the greater the centripetal pressure. Due to the existence of centripetal pressure, the outer fiber is extruded to the inner layer, which increases the compactness of the yarn and the friction between the fibers, thus changing the structural form and physical and mechanical properties of the yarn, which is the essence of twisting yarn. Evaluation of yarn twist: Twist direction / twist / twist coefficient / twist shrinkage Twist direction: indicates the direction of twisting Twist direction refers to the inclined direction of the fiber in the single yarn or the single yarn in the strand after the yarn is twisted. It is divided into Z-twist and S-twist. After twisting, the twisting direction of yarn tends from the lower right corner to the upper left corner, and the inclined direction is consistent with the middle of "s", which is called s twisting or smooth twisting; The twist direction of yarn tends from the lower left corner to the upper right corner, and the tilt direction is consistent with the middle of "Z", which is called Z twist or backhand twist. Generally, Z-twist is used for single yarn and S-twist is used for ply yarn. The twist direction of the ply yarn is expressed according to the twist direction successively twisted. For example, the twist direction of single yarn with Z twist, initial twist with S twist and com...

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  • Test method for Pilling Resistance of fabrics

    Test method for Pilling Resistance of fabrics

    07 Jan, 2022

    Rationally and objectively evaluate the resistance of the fabric to promote the development and production of textiles to actively promote the role. There are many test methods for Pilling Resistance of fabrics, mainly simulated during daily life and actual wear and washing process, due to continuous friction, Thus, the phenomenon of the surface of the fabric appears, and thus the test method is designed. different target markets have different tests. Methods, such as US standards, European standards, China Standards, and customer standards, usually select appropriate test methods based on export, product types or buyers. The commonly used methods include ICI Pilling Box method, Martindale Pilling method, Random Tumble method, Elastic gasket method, Circular Locus Pilling method.It should be noted that the pilling test is not only limited to the above test. and now there are many customer requirements to rating directly through the hairpin of the fabric after washing, and the customer chooses to use the post-washing sample. Various pilling test methods to assess the resistance of the fabric against the promoting pilling performance. ICI Pilling Box method The test principle is three pieces of square samples that are sized by a square specimen of sizes from the weft to the weft, each of which are sewn into a tubular shape, and the front faces are separately set on the polyurethane moisture tube. Within a cork box, the test chamber is flipped by the number of 3600 revolutions per hour, and the sample is taken out in the rating box and the fabric is compared to the fabric, and the first level is the worst. The 5th is best, when the result is between the two adjacent two levels, I evaluate half. Common test standards include ISO 12945-1, GB / T 4802.3, IWS TM 152. This method mainly simulates the fabric itself with its own uninterrupted friction, and the fans of the fabric and other pharmaceutically fangs. This test method can be applied to all types of fabrics, but the main domestic market or export to the European market is using this method to test the pilling performance. AVENO related products: AG05 ICI Pilling and Snagging Tester Martindale Pilling method The test principle is to take three pairs of circular samples from the fabric, which are loaded in the upper and lower clamping devices. Under the slight pressure, the sample itself rubs each other, and rubbed by the Lissajous, after a certain number of revolutions, Samples are compared with the original or standard samples of the rating box, and the the worst level 1, level 5 is the best, and when the results are interposed between two adjacent two levels, it can be evaluated as half level. This method is applicable to all types of fabrics, but it is more applied to woven fabrics. It mainly simulates the pilling condition after frequent friction between fabrics. AVENO related products: AG04 Martindale Abrasion and Pilling Tester Random Tumble method The experimental principle is to take ...

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  • Calibration procedure Of ROSS Flexing Tester

    Calibration procedure Of ROSS Flexing Tester

    17 Nov, 2021

    1. Calibration items: angle (90°), speed (60~100±5 times/min) 2. Correction equipment: angle gauge, electronic stopwatch 3. Calibration period: one year 4. Calibration steps: a) Angle correction method of Ross Flex Resistance Testing Machine: i. First adjust the machine in a horizontal state. ii. Turn the motor belt by hand or press the STOP and START keys to adjust the horizontal position of the movable end fixture, place the angle gauge on the movable fixture, and the angle gauge indication should be 0°. Continue to rotate the belt or press the STOP and START keys to move the maximum swing angle of the end fixture is 90° to observe whether it matches the value indicated by the angle gauge. b) Speed correction method of SATRA TM60 Ross Flex Tester: i. Start the POWER button on the control panel, reset the "PV" column to zero, and set the number of times in the "SV" column (the number of times that the correction speed is exceeded). ii. Press the START button to start the machine, and at the same time let the electronic stopwatch start timing. iii. When the electronic stopwatch reaches 1 minute to stop timing, press the STOP machine to stop at the same time, and observe whether the 1 minute time is consistent with the standard speed. More about ROSS Flexing Tester please click: https://www.avenotester.com/ross-flexing-tester-af23_p88.html Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

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  • Device installation of Fabric Appearance Assessment System

    Device installation of Fabric Appearance Assessment System

    04 Oct, 2021

    1. Install two uprights Locate the Fabric Appearance Meassure Board base and two uprights, and lock the screws on both sides of the base. 2. Install the lamp holder Locate the top frame with the lamp holder, and lock the screws on both sides. 3. Installation panel Locate the panel against the top of the Fabric Appearance Meassure Board, align the holes on both sides, and insert the screws. 4. Install the panel support rod Find two corresponding holes on the two uprights of the instrument frame, and install the sample support frame. More about Fabric Appearance Assessment System please click: https://www.avenotester.com/fabric-appearance-assessment-system-ag47_p261.html Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

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new Products

  • Toilet Paper Dispersibility Tester

    Toilet Paper Dispersibility Tester AN17

    Toilet Paper Dispersibility Tester is used for toilet paper dispersibility test, simulate the force of paper and products in the toilet, observe whether it can be dispersed within the specified time, or determine the time required for dispersion, the tester consists of a cylinder, a rotor, a motor and a gas flow meter.

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  • Miele Little Giant PT7136 Plus Tumble Dryer

    Miele Little Giant PT7136 Plus Tumble Dryer AC34

    AAA+ rated commercial tumble dryer designed for veterinary use unlike domestic machines. Having an on-premises laundry is the most cost effective and easy way to manage laundering your items to control cross infection.

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  • Hydrostatic Head Pressure Tester

    Hydrostatic Head Pressure Tester AG17C

    Hydrostatic Head Pressure Tester is used to test the water pressure of waterproof clothing series, raincoat series, tent series, waterproof bag series, waterproof gloves series and other products under a certain pressure.

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  • Precision Low-temperature Freezer

    Precision Low-temperature Freezer AE04

    Precision Low-temperature Freezer use to determining the adaptability test of components and materials of electrical, electronic, aerospace, automotive electrical, materials and other related products, as well as various electronic components and related products, when stored and used in low temperature and constant temperature environments, to test their various performance indicators.

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  • Formaldehyde Test Chamber

    Formaldehyde Test Chamber AE03

    Formaldehyde Test Chamber suitable for the determination of formaldehyde emissions from various indoor decorative materials such as artificial boards and composite wooden floors, as well as the constant temperature and humidity balance treatment of wood or artificial boards.

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latest news

Some changes that may occur in clothing after washing
Some changes that may occur in clothing after washingNov 18, 2024

Some changes that may occur in clothing after washing

Clothes may be damaged to varying degrees during the washing process, such as the following situations. These situations can remind everyone to control the production process to avoid similar situations. 1. Changes in printed clothes after washing: Color bleeding, Fading, Loss of print integrity, Rubber deformation & aging 2. Fabric color transfer after washing During the washing process, fabrics of different colors penetrate each other, causing color confusion and color blending. This usually happens more often with clothes with sharp color contrasts. For example, the following situations all show obvious color blending after washing. 3. Clothes with accessories are also prone to varying degrees of damage after washing: 1) Accessory damage • Deformation • Fading • Surface wear 2) Problems with the connection between accessories and clothing • Looseness • Falling off 3) Problems with the garment itself • Deformation • Stain transfer or stain transfer These situations are the nodes that fabric and clothing manufacturers need to focus on during the production process. Therefore, relevant testing instruments are needed to analyze textile fabrics and screen out high-quality fabrics to serve the market. 1. Automatic Wascator Shrinkage Tester AC13 2. Shrinkage Template And Ruler AC15 3. Wash Colour Fastness Tester AC10 Anything inquiry please contact us as below: AVENO technology co., ltd. Email: sales@avenotester.com

National Day holiday notice
National Day holiday noticeOct 01, 2024

National Day holiday notice

According to the national holiday regulations and the actual situation of the company, our company will be on holiday from October 1 to October 5, and will resume work on October 6. If you have any consulting business or other urgent needs during the holiday, please contact our on-duty service staff. The whole country celebrates the National Day. Thank you for your strong support and cooperation to AVENO. Let us accompany you every day with the most sincere blessings! Wish you: all the best, all your wishes come true, and a harmonious family brings prosperity! Sincerely, AVENO TECHNOLOGY CO., LIMITED Email: sales@avenotester.com

Mid-Autumn Festival Holiday
Mid-Autumn Festival HolidaySep 15, 2024

Mid-Autumn Festival Holiday

AVENO wish you have a happy Mid-Autumn Festival. AVENO will have a holiday to celebrate the Mid-Autumn Festival, providing our team with a holiday time to celebrate the Mid Autumn Festival and get together with their families to celebrate the festival. We apologize for any inconvenience caused to our customers and friends. Duration: The Mid-Autumn Festival holiday will start on September 15, 2024 and end on September 17, 2024, for a total of 3 days. During this period, if there is any work or if there is a delay in responding, we apologize in advance. In case of emergency, we will send colleagues to provide you with timely assistance. AVENO wish you and your family good work, good health and happiness every day. Sincerely, AVENO TECHNOLOGY CO., LIMITED

Application of Textile Tester in Manufacturing Industry
Application of Textile Tester in Manufacturing IndustryAug 29, 2024

Application of Textile Tester in Manufacturing Industry

With the rapid changes of the times, the detailed and rapid changes in consumer demand have received increasing attention. Therefore, the textile manufacturing industry needs to continuously upgrade and optimize its products according to changes in consumer demand. Textile testers can provide valuable reference data and quality control in the textile manufacturing process, playing an important role. AVENO, as a textile tester manufacturer, is based on market demand and focuses on strengthening the quality control of textiles, the user experience of laboratory personnel, and meeting the different needs of consumers, and continuously optimizing and improving our textile testers. 1. Optimize the instrument from the aspect of textile quality control: Textile testers play a vital role in quality control in various links such as fibers, yarns, fabrics, and textile finished products. The instrument provides comprehensive test data support for textile manufacturers to evaluate the properties of fabrics, including the stability of textile materials such as tensile strength, tear resistance, and elongation. Through rigorous testing, the quality of textile materials can be predicted, helping manufacturers to provide consumers with guaranteed products. 2. Optimize instruments from the perspective of efficiency and cost control of textile manufacturers: Textile testers help improve product manufacturing efficiency and manufacturing costs. By accurately testing materials, the failure rate of production can be reduced, thereby minimizing material waste, improving production efficiency, and saving material costs. As a textile tester manufacturer, we recognize the indispensable role that testing instruments play in the textile manufacturing industry. We will continue to optimize our products to help textile manufacturers better produce high-quality products that meet consumer needs and serve everyone. AVENO products including: 1. Textile Testing Equipment 2. Yarn & Fiber Testing Equipment 3. Footwear Testing Equipment 4. Toy Testing Equipment Anything inquiry please contact us as below: AVENO technology co., ltd. Email: sales@avenotester.com

Watch the Olympics with the AVENO team
Watch the Olympics with the AVENO teamAug 06, 2024

Watch the Olympics with the AVENO team

The Olympic Games are in full swing. The 2024 Olympic Games will be held in Paris, France, and will open on July 26, 2024, local time. As an important sports event that connects the world, AVENO organizes and encourages its employees to watch the Olympics and discuss the Olympics from the perspective of corporate management. While watching the Olympics, our team members put forward several valuable lessons learned, and discussed them together to promote AVENO to a higher level: 1. Efficient teamwork Efficient teamwork is one of the winning forces of the Olympics. Many events require the cooperation of athletes to achieve victory. At the same time, athletes from different backgrounds gather together to compete, which also reflects the friendship between our different countries and demonstrates the power of collaboration and collective efforts. Similarly, in the operation and management of our enterprises, we also need mutual cooperation among employees, complement each other, promote the progress of the enterprise, and go out to learn from peers and external enterprises. 2. Set a vision and have a common goal Any success of the Olympic team on the field is achieved by setting a clear vision and aiming at the goal. Before the start of the Games, repeated training, strategy adjustment, and discussion are needed to jointly set a common goal, so that the athletes can move forward bravely on the field. Similarly, in our corporate management, we also need to hold the same vision of the company and work hard to make AVENO better and better. 3…… All employees expressed their opinions and spoke one after another. I learned a lot from watching the Olympics. AVENO Instruments, located in Quanzhou city of China, was founded in Hongkong in 1998. In the past 30 years, we have been deeply involved in the field of test instruments. Based on the user experience, we have continuously upgraded our machines to make the user experience more convenient, efficient and the data more accurate. After combining the various understandings of the Olympic Games, our employees believe that we will make our machines better and better. AVENO products including: 1. Textile Testing Equipment 2. Yarn & Fiber Testing Equipment 3. Footwear Testing Equipment 4. Toy Testing Equipment Anything inquiry please contact us as below: AVENO technology co., ltd. Email: sales@avenotester.com

Relevant color fastness of textiles
Relevant color fastness of textilesJun 27, 2024

Relevant color fastness of textiles

The lasting vividness of clothing colors makes textiles visually attractive and expressive, so maintaining the color fastness of clothing is of vital importance. Color fastness refers to the ability of textile materials to maintain their original color under various conditions, including washing, friction, light, sweat, etc. Color fastness testing can help manufacturers screen and evaluate the quality and life of products. Good color fastness means that textiles are not easy to fade during post-processing or use; poor color fastness means that the color will fade, slightly discolor, or stain, causing a lot of trouble. Several common color fastness of textiles: 1. Light Fastness Sunlight fastness refers to the discoloration of colored fabrics under the influence of sunlight. It is mainly measured by simulating the fading degree of the sample after exposure to sunlight, and then comparing and rating it with the standard color sample to evaluate the quality of the fabric according to different grades. Fabrics with poor sunlight fastness should not be exposed to the sun for a long time. It is recommended to dry them in a ventilated place. 2. Sublimation fastness Sublimation fastness refers to the degree of sublimation that occurs when dyed fabrics are stored. Sublimation fastness uses a gray grading scale to assess the discoloration, fading, and staining of white cloth after dry heat pressing. There are 5 levels, with 1 being the worst and 5 being the best. Generally, 3-4 levels are required to meet the needs of wearing. 3. Rubbing Fastness Rubbing Fastness refers to the degree of color fading of dyed fabrics after rubbing, which can be divided into dry friction and wet friction. The degree of color fastness to friction is evaluated based on the degree of staining of white cloth. There are 5 levels in total. The larger the value, the better the rubbing fastness. 4. Perspiration fastness Perspiration fastness refers to the degree of color fading of dyed fabrics after being soaked in sweat. Since the composition of artificially prepared sweat is different, perspiration fastness is generally tested separately and combined with other color fastness. 5. Washing fastness Washing color fastness refers to the degree of color change of dyed fabrics after washing with detergent. Usually, a gray grading sample card is used as the evaluation standard, that is, the color difference between the original sample and the sample after fading is used for evaluation. Fabrics with poor washing fastness should be dry washed. If wet washing is performed, attention should be paid to the washing conditions, such as the washing temperature should not be too high and the washing time should not be too long. Anything inquiry please contact us as below: AVENO technology co., ltd. Email: sales@avenotester.com

 
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